Vivinavi : Los Angeles : (United States) Los Angeles

• 倍金萬
• 2021/09/10 (Fri) 16:06
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＞ I asked what kind of service they have in Japan since I'm going on a trip to Japan, and they told me the same thing as I heard from someone here on Vivi, that the data speed is 3G which is slow, but the talk is unlimited as well.

I looked up

T-Mobile
T-Mobile's Simple Choice Plan automatically includes cheap calls But, if you use wifi for most of your data needs, it's a

Here are the details of T-Mobile's Simple Choice Plan for Japan:

Calls: 20c per minute in and out to any country - cheap
Texting: Unlimited, included at no extra charge
Data: Unlimited,
Must have Simple Choice Plan, which costs min $ 50/month.

So, data is slow but "unlimited" but talk costs 20 cents/minute. So I have to be careful to hang up as soon as I'm done with my business. Well, if you have a Skype/Line account, you can pay the Skype/Line fee since this is a data connection.

• むっちゃスロー
• 2021/09/11 (Sat) 02:23
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I have always been a Sprint user and went to Japan from June-August. About 2 weeks before I left for Japan, I switched to a T-mobile SIM, despite my concerns. When I arrived in Japan, I found that I could watch videos smoothly and without any problems with Sprint, but with T-mobile, just searching the internet was extremely slow, even navigating pages took up to a minute.

I couldn't stand the slowdown and switched back to a Sprint Sim in the third week after arriving in Japan and being able to walk around. Since I didn't know how T-mobile works in Japan, it was a good decision to bring my old SIM with me just in case. Sprint's customer service was very helpful in chatting with me about reactivating the old SIM, so I had no trouble.　The data speeds on T-mobile were slower than I expected for me and were a world apart from Sprint.

How were other T-mobile users' data speeds in Japan ？?

• 倍金萬
• 2021/09/14 (Tue) 10:21
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Muchasuro,

As you may already know, the merged Sprint (CDMA) / T-Mobile (GSM) companies will unify their cellular transmission system to T-Mobile's GSM system from next January or June. Therefore, in the future, it will be meaningless to talk about the connection with Sprint at home and abroad.

There are some English sites that talk about how T-Mobile phones connect in Japan, and they say that the talk is ok, but the data is so bad that it is useless, and you have to move to a place where Wi-Fi works. However, as mentioned above, both Japan and the rest of the world will be using the T-Mobile system, so we have no choice but to accept this.

I was told that the data speed in Japan was 3G, but the above English forum said it was 2G, which is certainly not usable. T-Mobile can't afford to remain the same as before because once this pandemic is over, tourists from the US will be flooding into Japan again. Let's hope that T-Mobile will take some kind of action.

Until then, I may rent a WiFi router that uses Docomo or AU radio waves instead of relying on my phone's data communication if I need fast data communication such as uploading to YouTube in Japan. In Tok, I will use T-Mobile phone for hotel/inn reservations, etc., as it does not seem to be so much of a problem, aside from the service area.

• むっちゃスロー
• 2021/09/14 (Tue) 15:06
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Double Kim Man

Yes, I understand that the Sprint SIM will not work. However, I was surprised at how slow T-mobile's data was in Japan, and I didn't know if it was because of my device, a bad setup, or because it was T-mobile.　It's a shame, because by choosing Sprint, I didn't have to rent a WIFI router in Japan, which would have been very convenient and helpful.

If anyone who travels back to Japan frequently knows of a carrier that has as good a data connection that works as Sprint has and doesn't cost extra, please let me know. Thank you in advance.

• 倍金萬
• 2021/10/23 (Sat) 10:38
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＞ If anyone knows of a carrier that offers the same good data operation and no additional cost as Sprint so far, please let me know.

Now that Sprint and T-Mobile have merged, everything in the US will be integrated into the T-Mobile system. In other words, data in Japan is not available in the U.S. In other words, data ・ speeds in Japan will remain slow. Also, AT&T and Verizon are also slow in Japan for both voice and data, and they charge for it.

So if you want high speed data in Japan, you will have to rent some kind of paid device.